{"id":"CVE-2020-13272","aliases":["BIT-gitlab-2020-13272","EUVD-2020-5533","GHSA-jmw9-579m-cw2x"],"status":"published","title":"OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user...","description":"OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00579,"percentile":0.4792,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-345","CWE-863"],"published":"2020-06-19T21:40:04Z","modified":"2026-10-30T10:30:16Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["12.9.8","12.10.7","13.0.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"12.3.0"},{"fixed":"12.9.8"},{"introduced":"12.10.0"},{"fixed":"12.10.7"},{"introduced":"13.0.0"},{"fixed":"13.0.1"}]}]}],"products":[{"vendor":"gitlab","product":"gitlab"}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/37038","tags":["x_refsource_MISC","x_transferred","Broken Link","web","report"]},{"url":"https://hackerone.com/reports/743556","tags":["x_refsource_MISC","x_transferred","Permissions Required","web","report"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13272.json","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13272","tags":["web"]},{"url":"https://github.com/advisories/GHSA-jmw9-579m-cw2x"}],"sources":{"cve":[{"id":"CVE-2020-13272","description":"OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow","status":"published","published":"2020-06-19T21:40:04Z","modified":"2024-08-04T12:11:19.447Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:53.868619Z"}],"euvd":[{"id":"EUVD-2020-5533","description":"OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow","status":"published","published":"2020-06-19T21:40:04Z","modified":"2024-08-04T12:11:19Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:07:38.311662Z"}],"ghsa":[{"id":"GHSA-jmw9-579m-cw2x","title":"OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user...","description":"OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow","status":"published","published":"2022-05-24T17:21:19Z","modified":"2023-01-29T05:03:07Z","cwes":["CWE-863"],"updated_at":"2026-11-02T14:45:15.109911Z"}],"nvd":[{"id":"CVE-2020-13272","description":"OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow","status":"published","published":"2020-06-19T22:15:12.773Z","modified":"2026-06-17T02:52:49.977Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T14:06:07.249892Z"}],"osv":[{"id":"CVE-2020-13272","description":"OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow","status":"published","published":"2020-06-19T22:15:12.773Z","modified":"2026-10-30T10:30:16.697468844Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:14.034736Z"},{"id":"BIT-gitlab-2020-13272","description":"OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow","status":"published","published":"2024-03-06T11:23:07.764Z","modified":"2026-09-10T16:01:31.968896405Z","updated_at":"2026-11-02T15:28:29.999658Z"}]}}